Overview | Statement List | Example
SDDVF(obj,u,v)
Returns the components of a vector which represent the surface partial derivative with respect to the V parameter. The vector components are determined at a position on the surface specified by the U and V parameters. The U and V parameters are scalar values representing percentages of the surface in the respective direction. For detailed explanations of how the U and V values apply to the various surfaces, see the SPOSF function.
|
Parameter |
Description |
|
obj |
An existing surface which is used to calculate the partial derivative. |
|
u,v |
Scalar values which can be any Unigraphics real number which define the location of the derivative calculation in U and V parameter space. The scalar values located on the surface are from 0 to 1. Any value beyond that range lies on the extensions of the surface. |